Romney is often likened to his father George, the former Michigan governor, but shares many defining traits, like reserve and caution, with his mother, Lenore, who once ran for a U.S. Senate seat and, like her son, failed in that effort.

A top House Republican fundraiser, Rep. Vern Buchanan of Florida, is facing increased scrutiny of federal law enforcement investigators amid allegations that his companies illegally reimbursed political donors.

Many people are still trying to wrap their heads about what it means politically, if anything, that Sen. Marco Rubio, a Florida Republican, Cuban American and Roman Catholic, was baptized a Mormon at one point during his childhood.